Home / 783,871.48-1,175,681.26-215,119.72

Finding the Fourth Proportional to 783,871.48, 1,175,681.26 and 215,119.72

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Solution

The fourth proportional to 783,871.48, 1,175,681.26 and 215,119.72 is: 322,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,871.48 : 1,175,681.26 = 215,119.72 : x
  2. Step 2: Convert to fraction form
    783,871.48/1,175,681.26 = 215,119.72/x
  3. Step 3: Cross multiply
    783,871.48x = 1,175,681.26 × 215,119.72
  4. Step 4: Simplify right side
    783,871.48x = 252,912,223,460.45
  5. Step 5: Solve for x
    x = 252,912,223,460.45/783,871.48
  6. Step 6: Final answer
    x = 322,645.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.